Billy meets Eric while waiting for the bus to Cockaigne. There was no other reason for Billy to be there unless he, too, was going to Cockaigne. However, Eric knows why, and it forces Billy to come clean.
When Eric goes back to the pool, Ross explores his body and accidentally penetrates him with his finger, leading to an explosive orgasm. His Dad is watching, and as they drive home, his father tells Eric about his own experiences.